<?php  // $Id: index.php,v 1.14.2.2 2008/11/29 14:30:57 skodak Exp $

	require_once('../../../config.php');
	require_once($CFG->dirroot.'/lib/statslib.php');
	require_once($CFG->dirroot.'/course/report/stats/lib.php');
	require_once($CFG->libdir.'/adminlib.php');

	$courseid = optional_param('course', SITEID, PARAM_INT);
	$report   = optional_param('report', 0, PARAM_INT);
	$time	 = optional_param('time', 0, PARAM_INT);
	$mode	 = optional_param('mode', STATS_MODE_GENERAL, PARAM_INT);
	$userid   = optional_param('userid', 0, PARAM_INT);
	$roleid   = 0;

	if ($report > 50) {
		$roleid = substr($report,1);
		$report = 5;
	}

	if ($report == STATS_REPORT_USER_LOGINS) {
		$courseid = SITEID; //override
	}

	if ($mode == STATS_MODE_RANKED) {
		redirect($CFG->wwwroot.'/course/report/stats/index.php?time='.$time);
	}

	if (!$course = get_record("course","id",$courseid)) {
		error("That's an invalid course id");
	}

	if (!empty($userid)) {
		if (!$user = get_record('user','id',$userid)) {
			error("That's an invalid user id");
		}
	}

	require_login($course);
	$context = get_context_instance(CONTEXT_COURSE, $course->id);

	require_capability('coursereport/stats:view', $context);

	add_to_log($course->id, "course", "report stats", "report/stats/index.php?course=$course->id", $course->id);
	stats_check_uptodate($course->id);

	if ($course->id == SITEID) {
		admin_externalpage_setup('reportstats');
		admin_externalpage_print_header();

	} else {
		$strreports = get_string("reports");
		$strstats = get_string('stats');

		$menu = report_stats_mode_menu($course, $mode, $time, "$CFG->wwwroot/course/report/stats/index.php");

		$navlinks = array();
		$navlinks[] = array('name' => $strreports, 'link' => "$CFG->wwwroot/course/report.php?id=$course->id", 'type' => 'misc');
		$navlinks[] = array('name' => $strstats, 'link' => null, 'type' => 'misc');
		$navigation = build_navigation($navlinks);

		print_header("$course->shortname: $strstats", $course->fullname, $navigation, '', '', true, '&nbsp;', $menu);
	}

	if (empty($CFG->enablestats)) {
		if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
			redirect("$CFG->wwwroot/$CFG->admin/settings.php?section=stats", get_string('mustenablestats', 'admin'), 3);
		} else {
			error("Stats is not enabled.");
		}
	}

	require($CFG->dirroot.'/course/report/stats/report.php');

	print_footer();

?>
